Microsoft Defender Antimalware Platform: June 2020 Update KB4052623 drops Error 0x8024200B

[German]A quick question for the Windows 10 and Windows Server 2016/2019 users, are you experiencing an error installing the June 2020 update KB4052623, which was rejected with error code 0x8024200B? Maybe Microsoft has withdrawn something.


Update KB4052623 (Defender Antimalware Platform)

Microsoft cyclically updates its Defender Antimalware Platform. To do this, Microsoft provides update KB4052623 for the Microsoft Defender Antimalware Platform for the following platforms.

  • Windows 10 (Enterprise, Pro, and Home editions)
  • Windows Server 2019
  • Windows Server 2016

The update always keeps the same KB number KB4052623, only the module version changes with the different updates. How this module version can be determined is described in the KB article.

Update KB4052623 drops error 0x8024200B

This morning blog reader Nico M. Marcuz contacted me via a direct notification on Facebook. He is reported an installation error 0x8024200B for the Microsoft Defender Antimalware Platform. He found the entry when he checked the event viewer. The error code 0x8024200B stands for


and simply states that the installer failed to install/uninstall one or more updates.


Installationsfehler 0x8024200B

According to the event log, the error refers to the update KB4052623, where the installation of module version 4.18.2006.6 failed. Nico then checked the Microsoft Update Catalog. However, the update KB4052623 is not listed there for June 2020.

Microsoft Update Catalog

In German Microsoft Answers Nico posted this thread about it. There a moderator confirms that an error message appears. Could be a server problem at Microsoft. Any of you who have noticed the error?

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